Kubernetes: Going Cloud Agnostic

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Ravi Chaturvedi

Slides for my talk at https://www.meetup.com/Bangalore-Distributed-Systems-Meetup/events/251199292/

Technologie

Kubernetes: Going Cloud Agnostic
Ravi Chaturvedi
Software Engineer - Terracotta R&D

Agenda
• Running Application

• Kubernetes

• Cloud Agnostic

• Demo

Storage - CSIScheduler Networking - CNI
Orchestrator - Kubernetes/Mesos

Architecture - Mid Level
*Diagram from kubernetes.io

Architecture - Low Level
*Diagram from Kubernetes Design Doc

Operator
helm install <product-name>
Package Manager
* Logos from worldvectorlogo.com
Installation

Cluster Native Storage
*Diagram from rook.io

Hard Isolation - User Space Kernel
gVisor
*Diagram from gvisor repo

Hard Isolation - Hardware Isolated VM
*Diagram from thenewstack.io

Virtual Machine
*Diagram from kubevirt repo

Kubernetes
Hardware/VM
VM VM VM
Private Cloud

Kubernetes
Hardware/VM
Kubernetes
Pod Pod Pod
Inception!

Conﬁguration
*Diagram from cloud.google.com

Dynamic Volume Provisioning
Storage
Class
creates Persistent
Volume
bind
notiﬁes
Persistent
Volume
Claim
Pod
refer

Pod-to-Pod
Pod-to-Node
Node-to-Pod
Service Proxy
Network Policy
Network Plugin
kube-router
Connectivity

Kubernetes - Revisited
Storage - CSIScheduler Networking - CNI
Pod Replica Set
Stateful Set
Daemon Set
…
Service
Ingress
Persistent Volume
Persistent Volume
Claim
Storage Class
Volume
Pod Pod Pod
Controller
Deployment
AutoScaling
Pod

Kubernetes Engine
Azure AKS
Amazon EKS
Private DataCenter
Application Application
Application
Application

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Kubernetes: Going Cloud Agnostic

1. Kubernetes: Going Cloud Agnostic Ravi Chaturvedi Software Engineer - Terracotta R&D

2. Agenda • Running Application • Kubernetes • Cloud Agnostic • Demo

3. Running Application

4. On Bare-Metal / Virtual Machine

5. On Linux Kernel

6. On Linux Kernel with Namespaces

7. On Linux Kernel as Container

8. Storage - CSIScheduler Networking - CNI Orchestrator - Kubernetes/Mesos

9. Kubernetes

10. Architecture - High Level

11. Architecture - Mid Level *Diagram from kubernetes.io

12. Architecture - Low Level *Diagram from Kubernetes Design Doc

13. Ecosystem

14. Operator helm install <product-name> Package Manager * Logos from worldvectorlogo.com Installation

15. Cluster Native Storage *Diagram from rook.io

16. Hard Isolation - User Space Kernel gVisor *Diagram from gvisor repo

17. Hard Isolation - Hardware Isolated VM *Diagram from thenewstack.io

18. Virtual Machine *Diagram from kubevirt repo

19. Kubernetes Hardware/VM VM VM VM Private Cloud

20. Kubernetes Hardware/VM Kubernetes Pod Pod Pod Inception!

21. Workload

22. *Diagram from kubernetes.io Pod

23. *Diagram from kubernetes.io ReplicaSet

24. *Diagram from kubernetes.io Deployment

25. AutoScaling *Diagram from kubernetes.io

26. *Diagram from kubernetes.io DaemonSet

27. *Diagram from kubernetes.io StatefulSet

28. *Diagram from kubernetes.io Chron Job

29. Storage

30. Conﬁguration *Diagram from cloud.google.com

31. Volume

32. Dynamic Volume Provisioning Storage Class creates Persistent Volume bind notiﬁes Persistent Volume Claim Pod refer

33. Networking

34. Service (L3/L4)

35. Ingress (L7)

36. Pod-to-Pod Pod-to-Node Node-to-Pod Service Proxy Network Policy Network Plugin kube-router Connectivity

37. Kubernetes - Revisited Storage - CSIScheduler Networking - CNI Pod Replica Set Stateful Set Daemon Set … Service Ingress Persistent Volume Persistent Volume Claim Storage Class Volume Pod Pod Pod Controller Deployment AutoScaling Pod

38. Cloud Agnostic

39. Kubernetes Engine Azure AKS Amazon EKS Private DataCenter Application Application Application Application

40. Demo

41. Thank You!